| 例句 |
He is an authority in the region of chemistry.他是化学界的权威。He is a well-known authority in the region of physics.他是物理学界的一位知名权威。It will cost in the region of $500.它大约得花费五百美元。One of his legs was bandaged in the region of the knee.他的一条腿在近膝盖处用绷带包扎着。He felt a pain in the region of his heart.他感到心脏部位一阵疼痛。They were stationed in the region of the fighting.他们驻扎在交战地区。 |